Provided are low weight punches for manufacturing metal beverage cans having a sintered cemented carbide punch composition including a carbide hard phase having tungsten carbide (WC) in an amount of from about 67 wt. % to about 76 wt. % based on a total weight of the sintered cemented carbide punch composition, and a gamma phase having at least titanium (Ti) and niobium (Nb) as gamma phase constituents in an amount of from about 10 wt. % to about 17 wt. % based on a total weight of the sintered cemented carbide punch composition. The sintered cemented carbide punch composition further includes a binder phase including at least cobalt (Co) and chromium (Cr) in an amount of from about 12 wt. % to about 13 wt. % based on a total weight of the sintered cemented carbide punch composition, and a balance of carbon. Methods for producing such low weight cemented carbide punches are further disclosed.
C22C 29/10 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on titanium carbide
C22C 29/06 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
2.
LIGHT WEIGHT CEMENTED CARBIDE GRADE WITH IMPROVED MECHANICAL PROPERTIES
Provided are low weight punches for manufacturing metal beverage cans having a sintered cemented carbide punch composition including a carbide hard phase having tungsten carbide (WC) in an amount of from about 67 wt.% to about 76 wt.% based on a total weight of the sintered cemented carbide punch composition, and a gamma phase having at least titanium (Ti) and niobium (Nb) as gamma phase constituents in an amount of from about 10 wt.% to about 17 wt.% based on a total weight of the sintered cemented carbide punch composition. The sintered cemented carbide punch composition further includes a binder phase including at least cobalt (Co) and chromium (Cr) in an amount of from about 12 wt.% to about 13 wt.% based on a total weight of the sintered cemented carbide punch composition, and a balance of carbon. Methods for producing such low weight cemented carbide punches are further disclosed.
B21D 51/26 - Making hollow objects characterised by the use of the objects cans or tinsClosing cans or tins in a permanent manner
C22C 29/08 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
C22C 1/051 - Making hard metals based on borides, carbides, nitrides, oxides or silicidesPreparation of the powder mixture used as the starting material therefor
C22C 29/06 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
3.
Low binder high density cemented carbides for neutron shielding applications
2C), or a combination thereof, and a low weight iron (Fe)-chromium (Cr) based metallic binder phase from about 0.02 wt. % to about 2.75 wt. % based on a total weight of the cemented carbide composition. A Cr weight of the Fe—Cr based metallic binder phase may be present from about 5 wt. % to about 16 wt. % based on a total weight of the Fe—Cr based metallic binder phase. Associated methods of manufacturing a sintered low binder high density cemented carbide for neutron shielding are further presented.
C22C 29/08 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
C22C 1/051 - Making hard metals based on borides, carbides, nitrides, oxides or silicidesPreparation of the powder mixture used as the starting material therefor
C22C 29/06 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
4.
A ROTARY CUTTING APPARATUS, AND A METHOD FOR CUTTING A WEB OF MATERIAL BY USING A ROTARY CUTTING APPARATUS
Provided is a rotary cutting apparatus for cutting a web of material, which includes a frame, and a cutting unit movably disposed within the frame. The cutting unit has a rotary cutter rotatably disposed in the cutting unit. The rotary cutter has a vertical axis, a shaft, a cutting blade mounted on a surface of the shaft, and a blade plate mounted on compression springs guided by linear bearings for pushing the cutting blade outside the shaft. Further, the rotary cutter has bearer rings to facilitate a contact between a rotary anvil and the rotary cutter, and a flange mounted on tension springs, such that the cutting blade can be changed. An angular rule mounted on the frame of the rotary cutting apparatus is used to determine and adjust a position of the rotary cutter.
B26D 1/00 - Cutting through work characterised by the nature or movement of the cutting memberApparatus or machines thereforCutting members therefor
B26D 7/26 - Means for mounting or adjusting the cutting memberMeans for adjusting the stroke of the cutting member
B26D 1/40 - Cutting through work characterised by the nature or movement of the cutting memberApparatus or machines thereforCutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a rotary member
5.
CEMENTED CARBIDE POWDER FOR BINDER JET ADDITIVE MANUFACTURING
Provided is a method of manufacturing a three-dimensional (3D) object by forming a printable cemented carbide powder with a full density by a dual sintering cycle process. The formed fully densified printable cemented carbide powder is next used in binder jet additive manufacturing to 3D print the object.
22C), or a combination thereof, an iron (Fe)-chromium (Cr) based metallic binder phase present in an amount of from about 0.20 wt.% to about 15.00 wt.% based on a total weight of the cemented carbide composition with a Cr amount in a range of from about 2 wt.% to about 18 wt.% based on a total weight of the Fe-Cr based metallic binder phase, and a boron concentration gradient. Associated methods of making a self-neutron shielding high density cemented carbide are further presented.
B22F 9/02 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes
B22F 9/04 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from solid material, e.g. by crushing, grinding or milling
C22C 29/08 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
G21F 1/08 - MetalsAlloysCermets, i.e. sintered mixtures of ceramics and metals
B22F 3/14 - Both compacting and sintering simultaneously
Provided is a cemented carbide composition having a hard phase made of tungsten carbide (WC) as a first hard phase component and at least one second hard phase component selected from the group consisting of tantalum carbide (TaC), niobium carbide (NbC), and mixtures thereof, and a binder phase made of at least one binder component selected from the group consisting of cobalt (Co), nickel (Ni), and mixtures thereof. Also provided is a cemented carbide composition having a hard phase made of WC as a hard phase, NbC as an anti-galling phase, and TaC as a toughness improver, and a binder phase made of at least one binder component selected from the group consisting of Co, Ni, and mixtures thereof. Associated methods of producing the cemented carbide compositions and tools incorporating the same are additionally contemplated.
C22C 29/08 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
C22C 1/051 - Making hard metals based on borides, carbides, nitrides, oxides or silicidesPreparation of the powder mixture used as the starting material therefor
C22C 29/00 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides
Provided is a cemented carbide composition including a ceramic hard phase having at least about 50 weight percent (wt.%) of reclaimed niobium carbide (NbC) material based on the total weight of the cemented carbide composition, and a binder phase including nickel (Ni) in a weight of from about 8 wt.% to about 25 wt.% based on the total weight of the cemented carbide composition. The cemented carbide may be devoid of cobalt (Co) in the binder phase. Further provided are associated methods of reclaiming the NbC material from cemented carbide scrap, and tools prepared by incorporating the reclaimed NbC material, which may include at least zinc reclaimed NbC.
C22C 29/06 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
B22F 9/04 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from solid material, e.g. by crushing, grinding or milling
B22F 8/00 - Manufacture of articles from scrap or waste metal particles
C22C 29/00 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides
B22F 5/00 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
C22C 1/051 - Making hard metals based on borides, carbides, nitrides, oxides or silicidesPreparation of the powder mixture used as the starting material therefor
B22F 9/00 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor
9.
CEMENTED CARBIDE AND CERMET COMPOSITIONS HAVING A HIGH-ENTROPY ALLOY BINDER
Provided are (I) cemented carbide compositions including a ceramic hard phase having metal carbides of niobium carbide, tungsten carbide, and tantalum carbide and (II) cermet compositions including a ceramic hard phase having metal carbides or carbonitrides of titanium carbonitride, niobium carbide, and tungsten carbide. The cemented carbide and the cermet compositions further include a high-entropy-alloy (HEA) binder phase having metals selected from one or more of nickel, molybdenum, cobalt, tungsten, iron and chromium. Associated methods of manufacturing cemented carbides and cermets and cutting tools incorporating the same are further contemplated.
C22C 29/08 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
B22F 3/16 - Both compacting and sintering in successive or repeated steps
B22F 9/04 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from solid material, e.g. by crushing, grinding or milling
C22C 1/051 - Making hard metals based on borides, carbides, nitrides, oxides or silicidesPreparation of the powder mixture used as the starting material therefor
C22C 19/03 - Alloys based on nickel or cobalt based on nickel
C22C 29/00 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides
Provided is a rotary cutting unit including (i) a frame, (ii) a rotary cutter including a rotary cutting drum having a rotary cutting surface with a first axis of rotation. At least one knife member is anchored on the rotary cutting surface. The rotary cutting unit further includes (iii) an anvil including an anvil portion having an anvil surface configured to directly contact the at least one knife member with a second axis of rotation. Further provided is a rotary cutting system including a plurality of rotary cutting units.
B26D 1/62 - Cutting through work characterised by the nature or movement of the cutting memberApparatus or machines thereforCutting members therefor involving a cutting member which travels with the work, i.e. flying cutter and is rotating about an axis parallel to the line of cut, e.g. mounted on a rotary cylinder
B26D 7/26 - Means for mounting or adjusting the cutting memberMeans for adjusting the stroke of the cutting member
Provided is a method of manufacturing a three-dimensional (3D) object by forming a printable cemented carbide powder with a full density by a dual sintering cycle process. The formed fully densified printable cemented carbide powder is next used in binder jet additive manufacturing to 3D print the object.
C22C 1/051 - Making hard metals based on borides, carbides, nitrides, oxides or silicidesPreparation of the powder mixture used as the starting material therefor
C22C 29/06 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
C22C 29/08 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
Provided is a cemented carbide composition that includes a carbide phase including reclaimed carbide material in an amount of greater than 70 wt.% of the cemented carbide composition. The cemented carbide composition further includes a binder phase. The reclaimed carbide material includes from about 45 wt.% to about 100 wt.% zinc-reclaimed carbide. The cemented carbide composition is devoid of any electrochemically processed recycled material. The cemented carbide composition exhibits equivalent or superior mechanical properties including e.g. hardness, fracture toughness, and transverse rupture strength when compared to a reference material including solely virgin raw materials. Further provided is a method of making a sintered cemented carbide article as well as a cutting tool or cutting tool blank using the provided cemented carbide composition.
C22C 1/051 - Making hard metals based on borides, carbides, nitrides, oxides or silicidesPreparation of the powder mixture used as the starting material therefor
C22C 29/06 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
C22C 29/08 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
E21B 10/42 - Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
B22F 5/00 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
Provided is a cemented carbide composition having a hard phase made of tungsten carbide (WC) as a first hard phase component and at least one second hard phase component selected from the group consisting of tantalum carbide (TaC), niobium carbide (NbC), and mixtures thereof, and a binder phase made of at least one binder component selected from the group consisting of cobalt (Co), nickel (Ni), and mixtures thereof. Also provided is a cemented carbide composition having a hard phase made of WC as a hard phase, NbC as an anti-galling phase, and TaC as a toughness improver, and a binder phase made of at least one binder component selected from the group consisting of Co, Ni, and mixtures thereof. Associated methods of producing the cemented carbide compositions and tools incorporating the same are additionally contemplated.
C22C 29/08 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
Provided are (I) cemented carbide compositions including a ceramic hard phase having metal carbides of niobium carbide, tungsten carbide, and tantalum carbide and (II) cermet compositions including a ceramic hard phase having metal carbides or carbonitrides of titanium carbonitride, niobium carbide, and tungsten carbide. The cemented carbide and the cermet compositions further include a high-entropy-alloy (HEA) binder phase having metals selected from one or more of nickel, molybdenum, cobalt, tungsten, iron and chromium. Associated methods of manufacturing cemented carbides and cermets and cutting tools incorporating the same are further contemplated.
C22C 1/051 - Making hard metals based on borides, carbides, nitrides, oxides or silicidesPreparation of the powder mixture used as the starting material therefor
C22C 29/00 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides
C22C 29/04 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbonitrides
C22C 29/06 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
23222C, TiC, TaC, NbC, VC, and CrsC and mixtures thereof. The provided cemented carbides have improved properties, such as improved galling resistance, Vickers hardness, Palmqvist fracture toughness and coercive force.
C22C 29/06 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
C22C 29/08 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
B22F 5/00 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
16.
CEMENTED CARBIDE WITH A BINDER PHASE HAVING NANOMETRIC CARBIDE PRECIPITATES THEREIN AND METHOD OF FABRICATING A CEMENTED CARBIDE HAVING NANOMETRIC CARBIDE PRECIPITATES THEREIN
Provided are cemented carbides having a binder phase having nanometric carbide precipitates therein. The cemented carbides have improved hardness properties by increasing the hardness of the binder phase, while retaining good levels of fracture toughness. In addition, a method of fabricating the cemented carbides having a binder phase having nanometric carbide precipitates therein is disclosed.
C22C 1/051 - Making hard metals based on borides, carbides, nitrides, oxides or silicidesPreparation of the powder mixture used as the starting material therefor
C22C 29/08 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
Provided are niobium carbide-based cemented carbides and methods of manufacturing the same. The niobium carbide-based cemented carbides may be free of WC. Additionally, or alternatively, the niobium carbide-based cemented carbides may have a hard phase in which NbC in present in an amount greater than any other element of the hard phase. The niobium carbide-based cemented carbide may also have a binder phase devoid of Co.
C22C 29/06 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
C22C 1/05 - Mixtures of metal powder with non-metallic powder
Provided is a NbC based cemented carbide and method of manufacture the same. The NbC based cemented carbide may be devoid of WC. The NbC based cemented carbide may be devoid of Co in the binder phase. The NbC based cemented carbide exhibits enhanced strength and thermal conductivity while maintaining desired toughness and hardness.
C22C 29/06 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
B22F 3/16 - Both compacting and sintering in successive or repeated steps
Provided is a rotary cutting unit including (i) a frame, (ii) a rotary cutter including a rotary cutting drum having a rotary cutting surface with a first axis of rotation, At least one knife member is anchored on the rotary cutting surface. The rotary cutting unit further includes (iii) an anvil including an anvil portion having an anvil surface configured to directly contact the at least one knife member with a second axis of rotation. Surfaces of a first load bearing structure on the rotary cutting drum and of a second load-bearing structure on the anvil contact each other. These structures are located preferably on only one end of the cutting drum and the anvil, so that Further provided is a rotary cutting system including a plurality of rotary cutting units.
B26D 1/62 - Cutting through work characterised by the nature or movement of the cutting memberApparatus or machines thereforCutting members therefor involving a cutting member which travels with the work, i.e. flying cutter and is rotating about an axis parallel to the line of cut, e.g. mounted on a rotary cylinder
A cemented carbide suitable as a high performance hard metal material for wire drawing of high-tensile strength alloys is provided. The cemented carbide may include a relatively low binder content with additives Cr, Ta and/or Nb to provide high wear and corrosion resistance, high thermal conductivity, high hardness and a desired hardness to fracture toughness correlation.
C22C 29/08 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
B21C 3/02 - DiesSelection of material thereforCleaning thereof
A cemented tungsten carbide body is formed by mixing a tungsten carbide powder and a cobalt powder together to form a powder mixture. The tungsten carbide powder makes up greater than or equal to 80 weight percent of the powder mixture, while the cobalt binder powder makes up about 1.5 weight percent to about 20 weight percent of the powder mixture. Next, the powder mixture is compacted to form a green compact, and a boron nitride coating is applied to a surface of the green compact to form a coated compact. The coated compact is sintered at a temperature sufficient to melt the cobalt powder, such that boron from the boron nitride coating diffuses into the compact and creates a gradient of metallic cobalt and boron extending inward from the surface. The metallic cobalt content increases from the surface inward, while the boron content decreases from the surface inward.
C22C 29/08 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
B22F 5/00 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
Provided is a cemented carbide suitable for use as a material in the manufacture of a punch for metal forming and in particular for the manufacture of metal beverage cans. The cemented carbide may include a hard phase that includes WC, a binder phase and a gamma phase. The gamma phase may include metal carbides in combination with metal nitrides or metal carbonitrides. A quotient of the average grain size of WC/the average grain size of the gamma phase may be in a range of from 0.5 to 1.5.
C22C 29/02 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides
C22C 1/051 - Making hard metals based on borides, carbides, nitrides, oxides or silicidesPreparation of the powder mixture used as the starting material therefor
C22C 29/00 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides
B22F 3/16 - Both compacting and sintering in successive or repeated steps
24.
Methods of boronizing sintered bodies and tools for cold forming operations and hollow wear parts with boronized sintered bodies
Provided is a wear resistant, sintered body made of a binderless carbide, cermet or cemented carbide, e.g., WC, W2C and/or eta-phase, with a grain size less than 6.0 μm, and less than 6% binder phase (e.g., Co—Ni—Fe). At least some working surfaces of the sintered body are surface treated with a boron yielding method including applying a low viscosity liquid medium having boron or aluminum content and heating at 1200° C. to 1450° C. under a pressure less than atmospheric pressure or a hydrogen containing atmosphere to from a hardness gradient with an increased hardness of the treated working surfaces of at least 50 to 200 HV5 and favorable compressive stresses in a surface zone that gives a tougher working surfaces of the boronized sintered bodies.
C04B 35/563 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbides based on boron carbide
B21C 3/02 - DiesSelection of material thereforCleaning thereof
B26F 3/00 - Severing by means other than cuttingApparatus therefor
C04B 35/56 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbides
patents
